Home ▶︎ Laboratory Equipment ▶︎ Diaphragm Vacuum Pumps and Compressors
KNF offers a complete line of diaphragm vacuum pumps and compressors for a variety of laboratory applications. Offering an excellent size/performance ratio, they are robust, durable and maintenance-free devices for every lab, every day.
KNF offers high-quality diaphragm vacuum pumps in accordance with ATEX II 2G IIB+H2 T3X (internal at...
KNF provides vacuum pumps and compressors for a wide range of lab applications. The stress-optimized...
KNF LABOPORT vacuum pumps are specially designed to handle extremely aggressive/corrosive gases and ...
KNF LABOPORT SD self-drying pumps are able to remove the condensate out of the pump heads at regular...
We offer a wide variety of customization options. Products can be custom-tailored to suit your needs.
Contact us to learn more: +886 2 27941011 09:00–17:30, Monday to Friday (UTC+8, except public holidays in Taiwan)
KNF RC 600 is designed to satisfy the demands of university labs. It is able to withstand constant, intensive use while meeting the safety requirements of train...
KNF offers a choice of diaphragm vacuum pumps designed to be chemically resistant, to help achieve optimal results when drying gels. The integrated rotational speed control in KNF N 920 G enables the pumping speed to be easily adapted to the process.
|
No. |
Model |
Flow rate (at atm. pressure) |
Vacuum |
Pressure |
|
|---|---|---|---|---|---|
N 920 G |
Flow rate (at atm. pressure) l/min
21
l/min
|
Vacuum mbar abs.
2
mbar abs.
|
Pressure bar g
0.5
bar g
|
||
N 820.3 FT.18 |
Flow rate (at atm. pressure) l/min
20
l/min
|
Vacuum mbar abs.
8
mbar abs.
|
Pressure bar g
1
bar g
|
Self-drying vacuum pumps are recommended for vacuum ovens as they can operate without any loss of the vacuum level. KNF offers a series of high-performance pumps with automatic condensate removal, help reduce your processing time. These pumps also feature outstanding chemical compatibility and fast evacuation of large quantities of vapor.
|
No. |
Model |
Flow rate (at atm. pressure) |
Vacuum |
Pressure |
|
|---|---|---|---|---|---|
N 860.3 FT.40.18 |
Flow rate (at atm. pressure) l/min
60
l/min
|
Vacuum mbar abs.
4
mbar abs.
|
Pressure bar g
1
bar g
|
||
N 840.3 FT.40.18 |
Flow rate (at atm. pressure) l/min
34
l/min
|
Vacuum mbar abs.
10
mbar abs.
|
Pressure bar g
1
bar g
|
||
N 820.3 FT.40.18 |
Flow rate (at atm. pressure) l/min
20
l/min
|
Vacuum mbar abs.
10
mbar abs.
|
Pressure bar g
1
bar g
|
|
No. |
Model |
Flow rate (at atm. pressure) |
Vacuum |
Pressure |
|
|---|---|---|---|---|---|
N 938.50 K_.18 Series |
Flow rate (at atm. pressure) l/min
Up to
32
l/min
|
Vacuum mbar abs.
Down to 12
mbar abs.
|
Pressure bar g
0.5
bar g
|
||
N 920 G |
Flow rate (at atm. pressure) l/min
21
l/min
|
Vacuum mbar abs.
2
mbar abs.
|
Pressure bar g
0.5
bar g
|
||
N 816.3 K_.18 Series |
Flow rate (at atm. pressure) l/min
16
l/min
|
Vacuum mbar abs.
Down to 15
mbar abs.
|
Pressure bar g
0.5
bar g
|
||
N 820.3 FT.18 |
Flow rate (at atm. pressure) l/min
20
l/min
|
Vacuum mbar abs.
8
mbar abs.
|
Pressure bar g
1
bar g
|
KNF provides a selection of chemical-resistant pumps suitable for a wide range of solvents and filtration applications. Pumps for liquid filtration are also available.
|
No. |
Model |
Flow rate (at atm. pressure) |
Vacuum |
Pressure |
|
|---|---|---|---|---|---|
N 86 K-Series |
Flow rate (at atm. pressure) l/min
Up to
6.5
l/min
|
Vacuum mbar abs.
Down to 100
mbar abs.
|
Pressure bar g
Up to 2.5
bar g
|
||
N 816.3 K_.18 Series |
Flow rate (at atm. pressure) l/min
16
l/min
|
Vacuum mbar abs.
Down to 15
mbar abs.
|
Pressure bar g
0.5
bar g
|
||
N 810.3 FT.18 |
Flow rate (at atm. pressure) l/min
10
l/min
|
Vacuum mbar abs.
8
mbar abs.
|
Pressure bar g
1
bar g
|
|
No. |
Model |
Flow rate (at atm. pressure) |
Suction height, self priming |
Pressure height |
|
|---|---|---|---|---|---|
LIQUIPORT 1.100 |
Flow rate (at atm. pressure) l/min
0.2–1.3
l/min
|
Suction height, self-priming mWg
3
mWg
|
Pressure height mWg
60
mWg
|
||
LIQUIPORT 1.300 |
Flow rate (at atm. pressure) l/min
0.5–3.0
l/min
|
Suction height, self-priming mWg
3
mWg
|
Pressure height mWg
60
mWg
|
||
LIQUIPORT 100 |
Flow rate (at atm. pressure) l/min
0.2–1.3
l/min
|
Suction height, self-priming mWg
3
mWg
|
Pressure height mWg
10
mWg
|
||
LIQUIPORT 300 |
Flow rate (at atm. pressure) l/min
0.5–3.0
l/min
|
Suction height, self-priming mWg
3
mWg
|
Pressure height mWg
10
mWg
|
|
No. |
Model |
Flow rate (at atm. pressure) |
Suction height, self priming |
Pressure height |
|
|---|---|---|---|---|---|
SIMDOS 02 |
Dosing volume
30 µl – 999 ml
|
Suction height, self-priming mWg
2
mWg
|
Pressure bar
6
bar
|
||
SIMDOS 10 |
Dosing volume
1 ml – 999 ml
|
Suction height, self-priming mWg
3
mWg
|
Pressure bar
6
bar
|
For solid phase extraction applications, KNF offers a complete line of robust, two-stage pumps with deep and accurate vacuum control.
|
No. |
Model |
Flow rate (at atm. pressure) |
Vacuum |
Pressure |
|
|---|---|---|---|---|---|
N 816.3 K_.18 Series |
Flow rate (at atm. pressure) l/min
16
l/min
|
Vacuum mbar abs.
Down to 15
mbar abs.
|
Pressure bar g
0.5
bar g
|
||
N 86 K_.18 Series |
Flow rate (at atm. pressure) l/min
Up to
6
l/min
|
Vacuum mbar abs.
Down to 100
mbar abs.
|
Pressure bar g
Up to 2.5
bar g
|
||
N 810.3 FT.18 |
Flow rate (at atm. pressure) l/min
10
l/min
|
Vacuum mbar abs.
8
mbar abs.
|
Pressure bar g
1
bar g
|
|
No. |
Model |
Flow rate (at atm. pressure) |
Vacuum |
Pressure |
|
|---|---|---|---|---|---|
N 860.3 FT.40.18 |
Flow rate (at atm. pressure) l/min
60
l/min
|
Vacuum mbar abs.
4
mbar abs.
|
Pressure bar g
1
bar g
|
||
N 840.3 FT.40.18 |
Flow rate (at atm. pressure) l/min
34
l/min
|
Vacuum mbar abs.
10
mbar abs.
|
Pressure bar g
1
bar g
|
||
N 920 G |
Flow rate (at atm. pressure) l/min
21
l/min
|
Vacuum mbar abs.
2
mbar abs.
|
Pressure bar g
0.5
bar g
|
KNF laboratory pumps provide reliable low pressure and accurate control for sensitive or powerful liquid aspirations and suction filtration. These pumps are environmentally-friendly, cost-effective alternative to water aspirators.
|
No. |
Model |
Flow rate (at atm. pressure) |
Vacuum |
Pressure |
|
|---|---|---|---|---|---|
N 86 K-Series |
Flow rate (at atm. pressure) l/min
Up to
6.5
l/min
|
Vacuum mbar abs.
Down to 100
mbar abs.
|
Pressure bar g
Up to 2.5
bar g
|
||
N 816.3 K_.18 Series |
Flow rate (at atm. pressure) l/min
16
l/min
|
Vacuum mbar abs.
Down to 15
mbar abs.
|
Pressure bar g
0.5
bar g
|
||
N 810.3 FT.18 |
Flow rate (at atm. pressure) l/min
10
l/min
|
Vacuum mbar abs.
8
mbar abs.
|
Pressure bar g
1
bar g
|
KNF offers a full line of portable, oil-free diaphragm pumps with models specifically suited for vacuum degassing of compounds. A choice of flow rate and vacuum options are available. Product suggestions: N 938.50 KT.18 – fast processing N 920 G – speed controlled N 820.3 FT.18 – chemically resistant N 816.3 KT.18 – high performance
|
No. |
Model |
Flow rate (at atm. pressure) |
Vacuum |
Pressure |
|
|---|---|---|---|---|---|
N 938.50 K_.18 Series |
Flow rate (at atm. pressure) l/min
Up to
32
l/min
|
Vacuum mbar abs.
Down to 12
mbar abs.
|
Pressure bar g
0.5
bar g
|
||
N 920 G |
Flow rate (at atm. pressure) l/min
21
l/min
|
Vacuum mbar abs.
2
mbar abs.
|
Pressure bar g
0.5
bar g
|
||
N 816.3 K_.18 Series |
Flow rate (at atm. pressure) l/min
16
l/min
|
Vacuum mbar abs.
Down to 15
mbar abs.
|
Pressure bar g
0.5
bar g
|
||
N 820.3 FT.18 |
Flow rate (at atm. pressure) l/min
20
l/min
|
Vacuum mbar abs.
8
mbar abs.
|
Pressure bar g
1
bar g
|
